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102131633623 = 717691870577
BaseRepresentation
bin101111100011110000…
…1010000110111010111
3100202121201200112212011
41133013201100313113
53133131144233443
6114530231205051
710243626363535
oct1370741206727
9322551615764
10102131633623
113a34a70aa88
1217963816787
139828325006
144d2c1c3155
1529cb44eb9d
hex17c7850dd7

102131633623 has 8 divisors (see below), whose sum is σ = 103704844320. Its totient is φ = 100562165760.

The previous prime is 102131633609. The next prime is 102131633627. The reversal of 102131633623 is 326336131201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102131633623 is a prime.

It is a super-2 number, since 2×1021316336232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102131633627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880690 + ... + 989887.

It is an arithmetic number, because the mean of its divisors is an integer number (12963105540).

Almost surely, 2102131633623 is an apocalyptic number.

102131633623 is a deficient number, since it is larger than the sum of its proper divisors (1573210697).

102131633623 is an equidigital number, since it uses as much as digits as its factorization.

102131633623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871417.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 102131633623 its reverse (326336131201), we get a palindrome (428467764824).

The spelling of 102131633623 in words is "one hundred two billion, one hundred thirty-one million, six hundred thirty-three thousand, six hundred twenty-three".

Divisors: 1 71 769 54599 1870577 132810967 1438473713 102131633623